9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package org.xml.sax.ptests;
24
25 import java.io.BufferedWriter;
26 import java.io.FileInputStream;
27 import java.io.FileWriter;
28 import java.io.IOException;
29 import java.nio.file.Files;
30 import java.nio.file.Path;
31 import java.nio.file.Paths;
32 import javax.xml.parsers.ParserConfigurationException;
33 import javax.xml.parsers.SAXParserFactory;
34 import static jaxp.library.JAXPTestUtilities.compareWithGold;
35 import static jaxp.library.JAXPTestUtilities.failCleanup;
36 import static jaxp.library.JAXPTestUtilities.failUnexpected;
37 import static org.testng.Assert.assertTrue;
38 import org.testng.annotations.Test;
39 import org.xml.sax.Attributes;
40 import org.xml.sax.ContentHandler;
41 import org.xml.sax.InputSource;
42 import org.xml.sax.Locator;
43 import org.xml.sax.SAXException;
44 import org.xml.sax.XMLReader;
45 import org.xml.sax.helpers.XMLFilterImpl;
46 import static org.xml.sax.ptests.SAXTestConst.CLASS_DIR;
47 import static org.xml.sax.ptests.SAXTestConst.GOLDEN_DIR;
48 import static org.xml.sax.ptests.SAXTestConst.XML_DIR;
49
50 /**
51 * Class registers a content event handler to XMLReader. Content event handler
52 * transverses XML and print all visited node when XMLreader parses XML. Test
53 * verifies output is same as the golden file.
54 */
55 public class ContentHandlerTest {
56 /**
57 * Content event handler visit all nodes to print to output file.
58 */
59 @Test
60 public void testcase01() {
61 String outputFile = CLASS_DIR + "Content.out";
62 String goldFile = GOLDEN_DIR + "ContentGF.out";
63 String xmlFile = XML_DIR + "namespace1.xml";
64
65 try(FileInputStream instream = new FileInputStream(xmlFile)) {
66 SAXParserFactory spf = SAXParserFactory.newInstance();
67 spf.setNamespaceAware(true);
68 XMLReader xmlReader = spf.newSAXParser().getXMLReader();
69 ContentHandler cHandler = new MyContentHandler(outputFile);
70 xmlReader.setContentHandler(cHandler);
71 InputSource is = new InputSource(instream);
72 xmlReader.parse(is);
73 assertTrue(compareWithGold(goldFile, outputFile));
74 } catch( IOException | SAXException | ParserConfigurationException ex) {
75 failUnexpected(ex);
76 } finally {
77 try {
78 Path outputPath = Paths.get(outputFile);
79 if(Files.exists(outputPath))
80 Files.delete(outputPath);
81 } catch (IOException ex) {
82 failCleanup(ex, outputFile);
83 }
84 }
85 }
86 }
87
88 /**
89 * A content write out handler.
90 */
91 class MyContentHandler extends XMLFilterImpl {
92 /**
93 * Prefix to every exception.
94 */
95 private final static String WRITE_ERROR = "bWriter error";
96
97 /**
98 * FileWriter to write string to output file.
99 */
100 private final BufferedWriter bWriter;
101
102 /**
103 * Default document locator.
104 */
105 private Locator locator;
106
107 /**
108 * Initiate FileWriter when construct a MyContentHandler.
109 * @param outputFileName output file name.
110 * @throws SAXException creation of FileWriter failed.
111 */
241 */
242 @Override
243 public void startPrefixMapping(String prefix, String uri) throws SAXException {
244 println("startPrefixMapping...\n" + "prefix: " + prefix +
245 " uri: " + uri);
246 }
247
248 /**
249 * Write outString to file.
250 * @param outString String to be written to File
251 * @throws SAXException if write file failed
252 */
253 private void println(String outString) throws SAXException {
254 try {
255 bWriter.write( outString, 0, outString.length());
256 bWriter.newLine();
257 } catch (IOException ex) {
258 throw new SAXException(WRITE_ERROR, ex);
259 }
260 }
261 }
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package org.xml.sax.ptests;
24
25 import java.io.BufferedWriter;
26 import java.io.FileInputStream;
27 import java.io.FileWriter;
28 import java.io.IOException;
29 import javax.xml.parsers.ParserConfigurationException;
30 import javax.xml.parsers.SAXParserFactory;
31 import jaxp.library.JAXPFileBaseTest;
32 import static jaxp.library.JAXPTestUtilities.compareWithGold;
33 import static org.testng.Assert.assertTrue;
34 import org.testng.annotations.Test;
35 import org.xml.sax.Attributes;
36 import org.xml.sax.InputSource;
37 import org.xml.sax.Locator;
38 import org.xml.sax.SAXException;
39 import org.xml.sax.XMLReader;
40 import org.xml.sax.helpers.XMLFilterImpl;
41 import static org.xml.sax.ptests.SAXTestConst.CLASS_DIR;
42 import static org.xml.sax.ptests.SAXTestConst.GOLDEN_DIR;
43 import static org.xml.sax.ptests.SAXTestConst.XML_DIR;
44
45 /**
46 * Class registers a content event handler to XMLReader. Content event handler
47 * transverses XML and print all visited node when XMLreader parses XML. Test
48 * verifies output is same as the golden file.
49 */
50 public class ContentHandlerTest extends JAXPFileBaseTest {
51 /**
52 * Content event handler visit all nodes to print to output file.
53 *
54 * @throws SAXException If any parse errors occur.
55 * @throws IOException if the file exists but is a directory rather than
56 * a regular file, does not exist but cannot be created, or cannot
57 * be opened for any other reason.
58 * @throws ParserConfigurationException if a DocumentBuilder cannot be
59 * created which satisfies the configuration requested.
60 */
61 @Test
62 public void testcase01() throws IOException, SAXException, ParserConfigurationException {
63 String outputFile = CLASS_DIR + "Content.out";
64 String goldFile = GOLDEN_DIR + "ContentGF.out";
65 String xmlFile = XML_DIR + "namespace1.xml";
66
67 try(FileInputStream instream = new FileInputStream(xmlFile);
68 MyContentHandler cHandler = new MyContentHandler(outputFile)) {
69 SAXParserFactory spf = SAXParserFactory.newInstance();
70 spf.setNamespaceAware(true);
71 XMLReader xmlReader = spf.newSAXParser().getXMLReader();
72 xmlReader.setContentHandler(cHandler);
73 xmlReader.parse(new InputSource(instream));
74 }
75 assertTrue(compareWithGold(goldFile, outputFile));
76 }
77 }
78
79 /**
80 * A content write out handler.
81 */
82 class MyContentHandler extends XMLFilterImpl implements AutoCloseable {
83 /**
84 * Prefix to every exception.
85 */
86 private final static String WRITE_ERROR = "bWriter error";
87
88 /**
89 * FileWriter to write string to output file.
90 */
91 private final BufferedWriter bWriter;
92
93 /**
94 * Default document locator.
95 */
96 private Locator locator;
97
98 /**
99 * Initiate FileWriter when construct a MyContentHandler.
100 * @param outputFileName output file name.
101 * @throws SAXException creation of FileWriter failed.
102 */
232 */
233 @Override
234 public void startPrefixMapping(String prefix, String uri) throws SAXException {
235 println("startPrefixMapping...\n" + "prefix: " + prefix +
236 " uri: " + uri);
237 }
238
239 /**
240 * Write outString to file.
241 * @param outString String to be written to File
242 * @throws SAXException if write file failed
243 */
244 private void println(String outString) throws SAXException {
245 try {
246 bWriter.write( outString, 0, outString.length());
247 bWriter.newLine();
248 } catch (IOException ex) {
249 throw new SAXException(WRITE_ERROR, ex);
250 }
251 }
252
253 /**
254 * Close the writer if it's initiated.
255 * @throws IOException if any IO error when close buffered writer.
256 */
257 @Override
258 public void close() throws IOException {
259 if (bWriter != null)
260 bWriter.close();
261 }
262 }
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